Sudha Raghunathan is an Indian classical musician.

Born in Bangalore, she was initiated into music by her mother at the age of nine. When she turned 12, her family moved to Chennai. Her professional training began under B.V. Lakshmanan and in 1977 she moved to the tutelage of Padma Bhushan Dr. M.L. Vasantha Kumari. She is married to Raghunathan and they have two children, Kaushik and Malavika.